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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [range-test-1.c] - Rev 154
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/* Test fold-const.c (fold_range_test) optimizations. */ /* { dg-do run } */ /* { dg-options "-O2" } */ #include <stdlib.h> #include <stdio.h> #include <limits.h> #if (INT_MAX == 2147483647) && (INT_MIN == -2147483648) \ && (SCHAR_MIN == -128) && (SCHAR_MAX == 127) \ && (UCHAR_MIN == 0) && (UCHAR_MAX == 255) #ifndef T enum integers { int_smallest = INT_MIN, int_2ndsmallest = INT_MIN + 1, int_3rdsmallest = INT_MIN + 2, int_minus2 = -2, int_minus1 = -1, int_zero = 0, int_one = 1, int_two = 2, int_3rdlargest = INT_MAX - 2, int_2ndlargest = INT_MAX - 1, int_largest = INT_MAX }; int var; void check (void) { ++var; } #define T(IDX, TYPE, TEST, YESARR, NOARR) \ void __attribute__((noinline)) \ test##IDX (TYPE x) \ { \ if (TEST) \ check (); \ } #include "range-test-1.c" #undef T int main (void) { int i, fails = 0; #define C , #define T(IDX, TYPE, TEST, YESARR, NOARR) \ { \ static TYPE yesarr##IDX [] = YESARR; \ static TYPE noarr##IDX [] = NOARR; \ for (i = 0; i < (int) (sizeof (yesarr##IDX) / sizeof (TYPE)); ++i) \ { \ var = 0; \ test##IDX (yesarr##IDX [i]); \ if (var != 1) \ printf ("test" #IDX " failed for yesarr [%u]\n", i), ++fails; \ } \ var = 0; \ for (i = 0; i < (int) (sizeof (noarr##IDX) / sizeof (TYPE)); ++i) \ { \ test##IDX (noarr##IDX [i]); \ if (var != 0) \ printf ("test" #IDX " failed for noarr [%u]\n", i), ++fails; \ } \ } #include "range-test-1.c" #undef T if (fails) abort (); exit (0); } #else /* Use `C' instead of `,' below to separate array entries. */ /* These ought to be all optimized into single comparison. */ T(1, unsigned int, x == 0 || x == 1, { 0 C 1 }, { -1U C 2 C 12 C 35 C 0x7fffffff C 0x80000000 }) T(2, unsigned int, x == 0 || x == -1U || x == -2U, { 0 C -1U C -2U }, { -3U C -6U C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 }) T(3, unsigned int, x == 0 || x == 1 || x == 2, { 0 C 1 C 2 }, { -3U C -6U C -1U C -2U C 12 C 35 C 0x7fffffff C 0x80000000 }) T(4, unsigned int, x == 3 || x == 4 || x == 5 || x == 6, { 3 C 4 C 5 C 6 }, { -3U C 0 C 1 C 2 C 7 C 8 C 12 C 0x7fffffff C 0x80000000 }) T(5, unsigned int, x == -3U || x == -4U || x == -5U || x == -6U, { -3U C -4U C -5U C -6U }, { -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 }) T(6, unsigned int, x == -3U || x == -4U || x == -5U, { -3U C -4U C -5U }, { -6U C -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 }) T(7, char *, x == (char *) -3UL || x == (char *) -4UL || x == (char *) -5UL, { (char *) -3UL C (char *) -4UL C (char *) -5UL }, { (char *) -6UL C (char *) -20UL C (char *) -2UL C (char *) -1UL C (char *) 0 C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL }) T(8, unsigned long, x == -2UL || x == -1UL || x == 0, { 0 C -1UL C -2UL }, { -3UL C -6UL C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 }) T(9, unsigned long, x >= -4UL || x <= 8, { -4UL C -3UL C -2UL C -1UL C 0 C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 }, { -7UL C -5UL C 9 C 10 C 61 C 127 C 0x7fffffff C 0x80000000 }) T(10, signed char, x == 0 || x == -1 || x == -2 || x == -3, { 0 C -1 C -2 C -3 }, { -4 C -5 C 1 C 2 C 3 C 35 C -24 }) T(11, int, x == 0 || x == 1, { 0 C 1 }, { -1 C 2 C 12 C 35 C INT_MAX C INT_MIN }) T(12, int, x == 0 || x == -1 || x == -2, { 0 C -1 C -2 }, { -3 C -6 C 1 C 2 C 12 C 35 C INT_MAX C INT_MIN }) T(13, int, x == 0 || x == 1 || x == 2, { 0 C 1 C 2 }, { -3 C -6 C -1 C -2 C 12 C 35 C INT_MAX C INT_MIN }) T(14, int, x == 3 || x == 4 || x == 5 || x == 6, { 3 C 4 C 5 C 6 }, { -3 C 0 C 1 C 2 C 7 C 8 C 12 C INT_MAX C INT_MIN }) T(15, int, x == -3 || x == -4 || x == -5 || x == -6, { -3 C -4 C -5 C -6 }, { -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN }) T(16, int, x == -3 || x == -4 || x == -5, { -3 C -4 C -5 }, { -6 C -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN }) T(17, unsigned int, (x >= -8U && x <= -3U) || x == -2U || x == -1U || x == 0 || x == 1 || x == 2, { -8U C -7U C -6U C -5U C -4U C -3U C -2U C -1U C 0 C 1 C 2 }, { -9U C -10U C 3 C 4 C 12 C -54U C INT_MAX C INT_MIN }) T(18, int, (x >= -8 && x <= -3) || x == -2 || x == -1 || x == 0 || x == 1 || x == 2, { -8 C -7 C -6 C -5 C -4 C -3 C -2 C -1 C 0 C 1 C 2 }, { -9 C -10 C 3 C 4 C 12 C -54 C INT_MAX C INT_MIN }) T(19, unsigned long, (x >= 0 && x <= 16) || (x >= 18 && x <= -1UL), { -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 18 C 19 C 35 C 0x7fffffff C 0x80000000 }, { 17 }) T(20, char *, x == (char *) -1UL || x == 0, { (char *) -1UL C 0 }, { (char *) -6UL C (char *) -20UL C (char *) -2UL C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL }) T(21, enum integers, x == int_zero || x == int_one, { int_zero C int_one }, { int_minus1 C int_two C 12 C 35 C int_largest C int_smallest }) T(22, int, x == INT_MIN || x == INT_MAX, { INT_MIN C INT_MAX }, { -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 1 C INT_MIN + 2 }) T(23, int, x == INT_MIN + 1 || x == INT_MIN + 2 || x == INT_MIN || x == INT_MAX, { INT_MIN + 1 C INT_MIN + 2 C INT_MIN C INT_MAX }, { -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 3 C INT_MIN + 4 }) T(24, signed char, x == SCHAR_MIN || x == SCHAR_MAX, { SCHAR_MIN C SCHAR_MAX }, { -1 C 0 C 1 C SCHAR_MAX - 1 C SCHAR_MAX - 2 C SCHAR_MIN + 1 C SCHAR_MIN + 2 }) T(25, enum integers, x == int_smallest || x == int_largest, { int_smallest C int_largest }, { int_minus1 C int_zero C int_one C int_2ndsmallest C int_2ndlargest C int_3rdsmallest C int_3rdlargest }) /* This should be optimized into unconditional jump. */ T(o1, unsigned long, (x >= 0 && x <= 16) || (x >= 17 && x <= -1UL), { -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 17 C 18 C 19 C 35 C 0x7fffffff C 0x80000000 }, { }) T(o2, unsigned long, (x >= 0 && x <= -3UL) || (x == -2UL || x == -1UL), { -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 17 C 18 C 19 C 35 C 0x7fffffff C 0x80000000 }, { }) /* This should be eventually optimized into a single comparison. */ T(td1, unsigned char, x == 0 || x == 4 || x == 1 || x == 5 || x == 2 || x == 6 || x == 3, { 0 C 1 C 2 C 3 C 4 C 5 C 6 }, { 7 C 8 C 127 C 128 C 254 C 255 }) #endif #else int main (void) { return 0; } #endif
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